12500137513874 has 16 divisors (see below), whose sum is σ = 18936840498840. Its totient is φ = 6188157162240.

The previous prime is 12500137513837. The next prime is 12500137513889. The reversal of 12500137513874 is 47831573100521.

It can be written as a sum of positive squares in 4 ways, for example, as 12476048301025 + 24089212849 = 3532145^2 + 155207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74870069 + ... + 75036840.

Almost surely, 2^{12500137513874} is an apocalyptic number.

12500137513874 is a deficient number, since it is larger than the sum of its proper divisors (6436702984966).

12500137513874 is a wasteful number, since it uses less digits than its factorization.

12500137513874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149907325.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 12500137513874 in words is "twelve trillion, five hundred billion, one hundred thirty-seven million, five hundred thirteen thousand, eight hundred seventy-four".